13-9X=112-30X

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Solution for 13-9X=112-30X equation: 


Simplifying
13 + -9X = 112 + -30X

Solving
13 + -9X = 112 + -30X

Solving for variable 'X'.

Move all terms containing X to the left, all other terms to the right.

Add '30X' to each side of the equation.
13 + -9X + 30X = 112 + -30X + 30X

Combine like terms: -9X + 30X = 21X
13 + 21X = 112 + -30X + 30X

Combine like terms: -30X + 30X = 0
13 + 21X = 112 + 0
13 + 21X = 112

Add '-13' to each side of the equation.
13 + -13 + 21X = 112 + -13

Combine like terms: 13 + -13 = 0
0 + 21X = 112 + -13
21X = 112 + -13

Combine like terms: 112 + -13 = 99
21X = 99

Divide each side by '21'.
X = 4.714285714

Simplifying
X = 4.714285714

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